
<!DOCTYPE html>
<html lang="zh-CN">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta
      http-equiv="Cache-Control"
      content="no-cache, no-store, must-revalidate"
    />
    <meta http-equiv="Cache" content="no-cache" />
    <meta http-equiv="Pragma" content="no-cache" />
    <meta http-equiv="Expires" content="0" />
    <link
      rel="stylesheet"
      href="https://kendo.cdn.telerik.com/2021.3.1207/styles/kendo.default-v2.min.css"
    />
    <script src="https://unpkg.com/vue@next"></script>
    <script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
    <script src="https://kendo.cdn.telerik.com/2021.3.1207/js/kendo.all.min.js"></script>
    <title>Document</title>
    <style>
      .bizhi {
        overflow: hidden;
        margin-top: 1em;
        width: 100%;
        height: 700px;
        background-color: black;
        /*  opacity: 0;
         z-index: -1; */
      }
      .bizhi > div {
        width: 100%;
        height: 1000px;
        background: url("https://picsum.photos/1980/1000") no-repeat;
        background-attachment: fixed; /*//固定背景，不随滚动而滚动 */
      }
    </style>
  </head>
  <body>
    <div style="height: 500px; width: 100%"></div>
    <div class="bizhi"><div></div></div>
    <div style="height: 500px; width: 100%"></div>
  </body>
</html>
